While Sol had her back turned, painstakingly heating the can of tuna slowly to ensure that she didn't run out of Emberions under the worries that the shadow demon would try something.
Clang!
Sol jumped in place and rapidly turned around when she heard that dreadful noise. That sound was one that clearly came from the glass cup shattering.
She saw that the creature had broken the cup and had managed to successfully escape the confines. Before Sol could react, however, it had already reached the necklace with the insignia.
It felt like the world paused for a moment. Colours reversed, and what was bright became dark. And what was dark, became bright. The shadow demon had started to glow a brilliant white hue.